Shin Kamen Rider: Prologue (真・仮面ライダー 序章プロローグ, Shin Kamen Raidā: Purorōgu, Lit. "True Masked Rider Prologue") is a Japanese superhero Tokusatsu V-Cinema film in the Kamen Rider Series, serving as the 11th production in the franchise while also commemorating the franchise's 20th anniversary. In the film, a young man is transformed into a mutant grasshopper while he is targeted by the mysterious Institute of Super Science.